Jo Maas is a retired Dutch professional road bicycle racer. In the 1979 Tour de France, Maas won stage 10 and finished 7th place in the overall classification.
Major results
;1978 :Romsée-Stavelot-Romsée :Tour du Hainaut Occidental ;1979 :Tour de France: ::Winner stage 10 ::7th place overall classification == External links ==